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Paradyne DMD15L operation manual Ram, Rom, Seq, Sync, Tbd, Tpc, Tre, Uart, Uut, Vac, Vco, Vdc, Vit

Models: DMD15 DMD15L

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DMD15/DMD15L/DMD15/DMD15LL/DMD15/DMD15LIBS/IDR Satellite ModemGlossary

R

	RAM	Random Access Memory

	RF	Radio Frequency

	ROM	Read Only Memory

	rms	Root Mean Square

	RU	Rack Unit. 1 RU = 1.75”

	Rx	Receive (Receiver)

	RxD	Receive Data

	R-S	Reed-Solomon Coding. Reed-Solomon codes are block-based error correcting
		codes with a wide range of applications in digital communications and storage.

		S

	SEQ	Sequential

	SYNC	Synchronize

		T

	TBD	To Be Designed or To Be Determined

	TM	Technical Manual

	TPC	Turbo Product Codes

	TRE	Trellis

	Tx	Transmit (Transmitter)

	TxD	Transmit Data

		U

	UART	Universal Asynchronous Receiver/Transmitter

	UUT	Unit Under Test

		V

	V	Volts

	VAC	Volts, Alternating Current

	VCO	Voltage Controlled Oscillator

	VDC	Volts, Direct Current

	VIT	Viterbi Decoding

TM051 - Rev. 5.8

G-5

Image 200

Paradyne DMD15L operation manual Ram, Rom, Seq, Sync, Tbd, Tpc, Tre, Uart, Uut, Vac, Vco, Vdc, Vit

Contents

DMD15/DMD15L Page Latest Software Revision Confirmation Warranty and Service Warranty PeriodWarranty Coverage Limitations Warranty Replacement and AdjustmentRadyne, Inc Warranty Repair Return ProcedureNon-Warranty Repair TM051 Record of Revisions Revision Date Reason for Change LevelDMD15/DMD15L IBS/IDR Satellite Modem TM051 Rev Table of Contents Operation DMD15/DMD15L IBS/IDR Satellite Modem Table of Contents User Interfaces Electrical Interfaces Appendices Description DMD15/DMD15L Available OptionsInternal High Stability Reed-Solomon CodecInternal Engineering Service Channel ESC Turbo CodecDrop and Insert D&I 5 8PSK ModulationBack Panel Options Customized OptionsPage Unpacking Installation RequirementsRemoval and Assembly DMD15/DMD15L Initial Configuration Check Mounting ConsiderationsInitial Power-Up Modulator CheckoutModulator QpskTerminal Setup DMD15/DMD15L Functional Block Diagram Theory of OperationOperation DMD15/DMD15L IBS/IDR Satellite Modem Universal Interface Modules UIM Dip Switch Settings Universal Interface Module UIMSynchronous Interface G.703 InterfaceOpen Collector Faults Terrestrial LoopbackModem Status Form-C ContactsLoopback Functional Block Diagram Loopback Functional Block Diagram Tx Baseband Processing Baseband Processor CardBaseband Processing Rx Baseband Processing Clock SelectionMonitor & Control M&C Subsystem Asynchronous Serial Port #1Watchdog Timer Front Panel InterfaceClock Program Flash ROMDemodulator 11 DMD15/DMD15L Clocking OptionsScte Serial Clock Transmit External SCT Serial Clock TransmitIDI Insert Data SCR Serial Clock ReceiveEXT if REF External if Reference Transmit TimingLoop Timing Transmit RS-422 or V.35 Interface14.2 G.703 Interface or Asymmetrical Data Rates ReceiveLooped Modems Drop Only Insert OnlyMode Selection PCM-30PCM-30C PCM-31PCM-31C 16.5 T1-D4/T1-D4-S16.6 T1-ESF/ T1-ESF-S SLC-96Drop and Insert Mapping SATCh TS Enter to EditExample Map CopyTX Edit TX Active RX Edit RX ActiveTX Active TX Edit RX Active RX EditReed-Solomon Codec Refer to Figures 3-14, 3-15, and Table Operation in the DMD15/DMD15LReed-Solomon Code Rate Interleaving15. Reed-Solomon Decoder Functional Block Diagram 8PSK 19 DMD15 Automatic Uplink Power Control Aupc OperationIDR Aupc Functions Function DescriptionKbps Baud Rate Example for Standard IBS Enhanced Mode DMD15/DMD15L IBS/IDR Satellite ModemOperation ESC Backward Alarms Standard IBS ModeAsynchronous Multiplexer Mode To Disable the ESC Backward Alarms Reacquisition16. Reacquisition flow in the DMD15/DMD15L DMD15/DMD15L IBS/IDR Satellite Modem Operation TM051 Rev Page User Interfaces Front Panel User InterfaceEdit Mode Key Functions Front Panel Only LCD Front Panel DisplayCursor Control Arrow Keys Numeric KeypadLED Front Panel LED IndicatorsParameter Setup Modulator Demodulator Interface Monitor Alarms System Test Mode IDR, IBS, Closed Net, Drop & InsertFront Panel Control Screen Menus Main MenusIBS Mode QPSK, BPSK, OQPSK, 8PSK, 16QAM Used with IDR, IBS, or Asynchronous Interface Only Allows the user to select the framing typeDemodulator Menu Options and Parameters Strap Code Refer to Strap Code Guide, .3, TableSwp Delay 900.0 sec DemodulationSwp Bound ±0 32 kHz ReAcq Sweep 32000 HzCSC Allows the user to select the Tx Code Rate and TypeESC CH#2 Interface Menu Options and ParametersESC CH#1 SATCh TS Tx D&I menu Drop Mode Enable, DisableTime Mark Enable, Disable Rx D&I menu Insert Mode Enable, Disable Async menu ES Mode Normal, Enhanced optionClk Polarity Normal, Inverted T1E1 Frm Src Internal, ExternalAupc Menu Options and Parameters Tracking Rate Local CL ActionHOLD, NOMINAL, Maximum Remote CL ActionMonitor Menu Options and Parameters OFF, onSER CberAlarms Menu Options and Parameters CompClk Mask Pass/Fail, No/Yes TxSynth Mask Pass/Fail, No/YesMajor Rx menu RxuProc Mask Pass/Fail, No/Yes SigLoss Mask Pass/Fail, No/YesRS Fifo Indicates status of the Tx Reed-Solomon FifoUser InterfacesDMD15/DMD15L IBS/IDR Satellite Modem Indicates M&C memory fault RAM/ROMIBS BER RxIFSynLock RxOSPLLLock Buf Clk LockUProc Ext Ref Lock Backward Alr menu Hhmmss System Menu Options and ParametersYY MM DD Test Menu Options and Parameters DMD15/DMD15L Strap Codes DMD15/DMD15L Strap Codes Data Reed Code RateInsert DEC1544 104 576 16/15 Sample DMD15/DMD15L Applications None CNTOperational Case Examples IBSClosed Network Case 1 IDR 8.448 Mbps, 3/4 Rate ViterbiDemodulator Method Case 2 IBS 1.544 Mbps, 3/4 Rate ViterbiCase 3 Closed Network, 3/4 Rate Viterbi, IBS Overhead Case 4 Loop Timing Example MethodConfiguring the DMD15/DMD15L for Drop and Insert Data RateInsert Terrestrial Frame Source Operational ModeTerrestrial Framing Drop Mode/Insert Mode 4 D&I Sample Configurations and D&I Clock Setup Options DMD15/DMD15L IBS/IDR Satellite Modem User Interfaces Transmit Trunk and Receive Trunk Single Trunk D&I Maps and Map Editing D&I ROM Maps T1/E1 Time Slot ROMUser Interfaces DMD15/DMD15L IBS/IDR Satellite Modem Modem Setup for Terminal Mode Terminal Mode ControlModem Terminal Mode Control Protocol Structure Protocol WrapperSync Byte CountByte Field Data Content Running Checksum Source IDDestination ID Frame Sequence NumberFrame Description and Bus Handshaking Response Opcodes Response Opcode Description DMD15 Response Error Code DescriptionsGlobal Response Operational Codes Mparmextrefsourceerror MparmmodulationtypeerrorMparmconvencodererror MparmreedsolomonerrorMparmsymbolrateerror MparmnotimplementederrorMparmtransfertypeerror MparmsummaryfaulterrorDparmdifferentialdecodererror DparmdescramblercontrolerrorDparmdescramblertypeerror DparmspectrumerrorCollision Avoidance Directly-Addressed Equipment Multi-Drop Override ID Software Compatibility Flow Control and Task ProcessingRllp Summary Remote Port Packet Structure Sync Count SRC Dest FSN Opcode Data Checksum Addr BytesDEST. ID FSNCommand Opcode 3 DMD15/DMD15L Opcode Command SetModem Command Set Command User InterfacesDMD15/DMD15L IBS/IDR Satellite Modem Detailed Command Descriptions 4.9.5.1 DMD15/DMD15L Modulator = INTELSAT, 1 = EUTELSAT, 2 = Closed NET1 Configuration BytesQuery Response T1 ESF S User Interfaces DMD15/DMD15L IBS/IDR Satellite Modem Status Bytes Alarm Online Flag Opcode 240Bh Query a Modulator’s Status DMD15/DMD15L IBS/IDR Satellite Modem User Interfaces Opcode 2405h Query a modulator’s latched alarms Opcode 2601h Command a modulator’s configuration T1 ESF S DMD15/DMD15L IBS/IDR Satellite Modem User Interfaces User Interfaces DMD15/DMD15L IBS/IDR Satellite Modem Satellite Opcode 2606h Command a modulators modulation type Opcode 2618h Command a modulators baseband loopback Opcode 262Ah Command Aupc Remote Enable 5.2 DMD15/DMD15L Demodulator Query ResponseT1 ESF S DMD15/DMD15L IBS/IDR Satellite Modem User Interfaces User Interfaces DMD15/DMD15L IBS/IDR Satellite Modem Unsigned Binary Value, 0-99, Implied Decimal Point User Interfaces DMD15/DMD15L IBS/IDR Satellite Modem DMD15/DMD15L IBS/IDR Satellite Modem User Interfaces Query Response DMD15/DMD15L IBS/IDR Satellite Modem User Interfaces User Interfaces DMD15/DMD15L IBS/IDR Satellite Modem Bits 4 7 = Spares Opcode 2406h Query a demodulator’s latched alarms Query Response Bit 4 = E1 FAS alarm received = Received T1 ESF S User Interfaces DMD15/DMD15L IBS/IDR Satellite Modem DMD15/DMD15L IBS/IDR Satellite Modem User Interfaces Opcode 2A0Dh Command a demodulator’s descrambler control Opcode 2A15h Command a demodulator’s T1E1 frame source Modem Queries & Commands Query ResponseOpcode 2407h Query a modems latched alarms Query Response DMD15/DMD15L IBS/IDR Satellite Modem User Interfaces Opcode 240Eh Query time Query Response Opcode 240Fh Query date Query ResponseOpcode 2C04h Command set time Opcode 2C05h Command set date102 DMD15/DMD15L Connections DMD15/DMD15L G.703 Interface Module w/ESCDC Power Input Module Power InputsAC Power Input Module TX J1 RX J2SD J3 DDO J4Sync Data J8 Async J9 Prompt C S6 AGC Out/Prompt C Switch PositionsStatus J11 Remote J13 S6 Ground/Deferred C Switch Positions AGC OutTerminal J12 ESC 8K Data J15 ESC Alarms J17 ESC Voice J16Switch J18 Escaud RX 1A Escaud RX 2ATXD-A BWI MOD FLTSync TT-B DDO-B RT-BIDO-B RD-B TX-B BWISync DM-B Sync CS-BRXO-B Sync RS-BPage DMD15/DMD15L Fault Philosophy Periodic MaintenanceTroubleshooting Alarm Masks Active Alarms 6.2.2.1 Major AlarmsMinor Alarms Latched AlarmsTM051 Rev Interpreting the Matrices IBS Fault Conditions and ActionsDMD15/DMD15L TX Fault Matrix Fault Detected From Satellite Across Interface E TM051 Rev FEC Modulator SpecificationsDemodulator Specifications DMD15/DMD15L Drop and Insert Optional Plesiochronous BufferMonitor and Control Terrestrial Interfaces Universal InterfaceEnvironmental PhysicalDMD15 Data Rate Limits BER 10 DMD15 BER SpecificationsIBS IDR 10-6 10-7 10-8 10-6 10.5 dB 10-7 10.8 dB 10.4 dB 10-8 11.0 dB 10.7 dB Page Page Page Appendix a Reed-Solomon Codes Valid Values for kTM051 Rev TM051 Rev TM051 Rev TM051 Rev TM051 Rev TM051 Rev TM051 Rev TM051 Rev TM051 Rev Page Page ADC AGCAIS AmslDAC DCEDpll DTEHssi IBSIeee IessMfas MIBNvram PLLRAM ROMSEQ SyncY Z Misc16QAM 8PSK